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Flat roof on extension - will it leak

Hi

We've just seen a house we really like and was wondering if anyone can advise us from experience if a flat roof (laid with EPDM) will leak after a few years. Is it durable. I took some photos and following some rain an hour before the viewing I can see some small puddles and there seems to be some mud like stains around the edge of the skylight. Can anyone reassure me?

https://ibb.co/kZHaEQ
https://ibb.co/mV0dZQ

Many thanks.
«1

Comments

  • Davesnave
    Davesnave Posts: 34,741 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    edited 19 September 2017 at 6:52AM
    EPDM is a perfectly good building material, but flat roofed extensions are usually a compromise from a design point of view and usually look less good aesthetically.

    Also, once one cuts a hole in any roofing material, the seal against the elements is only as good as the way that hole is sealed.

    With roofs like this, questions you need to ask are whether there is any guarantee for the work, how long is it, is it fully insurance-backed and is it transferable to a new owner?

    I can't reassure you regarding the aesthetics. I got rid of mine because the property would never have been worth renovating if I'd left such a hideous structure stuck on the front.
  • Doozergirl
    Doozergirl Posts: 34,082 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    EDPM is the new flat roofing option of choice. It is more durable and reliable than the old felt method and on an extension like that is probably one piece, making it far less likely to develop leaks.

    Clearly the success of any roof lies in how well it has been laid.

    You're better looking for any staining inside than the outside. Outside is dirty, no surprise.
    Everything that is supposed to be in heaven is already here on earth.
  • G_M
    G_M Posts: 51,977 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Combo Breaker
    I can't get the links o work, but what matters is whether there is damp inside.

    Of course, no roof should be actually flat - there should be a slight fall to allow water to run off to one side into a gutter. If the fall is insufficient and water is 'puddling' on the roof, then a leak is eventually more likely.
  • LandyAndy
    LandyAndy Posts: 26,377 Forumite
    Part of the Furniture 10,000 Posts
    G_M wrote: »
    Of course, no roof should be actually flat - there should be a slight fall to allow water to run off to one side into a gutter. If the fall is insufficient and water is 'puddling' on the roof, then a leak is eventually more likely.
    No Roof should be flat.To prevent even water leakage on one side of the water, a slight decline/slope is required. If falling is not enough, and if there is a pudding on the roof, it will be possible to leak out.


    You certainly don't want a leaky pudding on the roof.


    You probably don't want a parrot either.
  • martindow
    martindow Posts: 10,652 Forumite
    Part of the Furniture 10,000 Posts Name Dropper
    I would wonder how well this roof has been fitted. There seem to be some uneven parts where it has not been laid flat, especially visible in the second photo.
    P9160031.jpg
  • 00ec25
    00ec25 Posts: 9,123 Forumite
    1,000 Posts Combo Breaker
    martindow wrote: »
    I would wonder how well this roof has been fitted. There seem to be some uneven parts where it has not been laid flat, especially visible in the second photo.
    P9160031.jpg
    how do you upload a photo like that so it appears in the forum itself?
  • LandyAndy
    LandyAndy Posts: 26,377 Forumite
    Part of the Furniture 10,000 Posts
    00ec25 wrote: »
    how do you upload a photo like that so it appears in the forum itself?



    <link address>
  • martindow
    martindow Posts: 10,652 Forumite
    Part of the Furniture 10,000 Posts Name Dropper
    00ec25 wrote: »
    how do you upload a photo like that so it appears in the forum itself?
    I just copied the image and pasted it in. Didn't know it worked until this morning!
  • 00ec25
    00ec25 Posts: 9,123 Forumite
    1,000 Posts Combo Breaker
    edited 19 November 2017 at 1:14AM
    LandyAndy wrote: »
    <link address>
    that's off site hosting by someone else isn't it? Anyone clicking on the image gets the offsite host and the name of the account with that host. Since photobucket has stopped free hosting I have no wish to link to a paid account

    test: copy and paste image
    EDIT that didn't work

    test: copy image address
    [IMG][/img]http://media.rightmove.co.uk/dir/crop/10:9-16:9/66k/65851/66523205/65851_CHO160282_IMG_01_0001_max_476x317.jpg
    EDIT that worked as a link not an image

    test: save image locally, then copy and paste image file - wont work, can't paste


    still none the wiser how to do it :(
  • Mickygg
    Mickygg Posts: 1,737 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    I have a flat roof on my garage. It is leaking a bit. Flat roofs will start to leak at some point, but as said above much more less likely or durable if the roof is done properly with no pooling and a slope.

    Looking at the photos there is pooling which would worry me, but it just needs fixing and certainly not a deal breaker.

    I would have preferred not to have a flat roof garage but it wasn't a deal breaker for me.
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